ES2186648T3 - POLYOLEFINS AND ITS USES. - Google Patents
POLYOLEFINS AND ITS USES.Info
- Publication number
- ES2186648T3 ES2186648T3 ES00926789T ES00926789T ES2186648T3 ES 2186648 T3 ES2186648 T3 ES 2186648T3 ES 00926789 T ES00926789 T ES 00926789T ES 00926789 T ES00926789 T ES 00926789T ES 2186648 T3 ES2186648 T3 ES 2186648T3
- Authority
- ES
- Spain
- Prior art keywords
- less
- molecular weight
- weight fraction
- high molecular
- density
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/02—Ziegler natta catalyst
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Organic Insulating Materials (AREA)
- Graft Or Block Polymers (AREA)
- Materials For Medical Uses (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Provided is a high density multimodal polyethylene, having a shear ratio (SR) of 18 or more and comprising at least 20 % by weight of a high molecular weight fraction, which high molecular weight fraction has: (a) a density ( rho ) of 0.930 g/cm<3> or less; and (b) a high load melt index (HLMI) of 0.40 g/10 mins or less.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99106461A EP1041113A1 (en) | 1999-03-30 | 1999-03-30 | Polyolefins and uses thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2186648T3 true ES2186648T3 (en) | 2003-05-16 |
Family
ID=8237887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES00926789T Expired - Lifetime ES2186648T3 (en) | 1999-03-30 | 2000-03-28 | POLYOLEFINS AND ITS USES. |
Country Status (9)
Country | Link |
---|---|
US (3) | US6433095B1 (en) |
EP (2) | EP1041113A1 (en) |
JP (1) | JP2002541292A (en) |
AT (1) | ATE228546T1 (en) |
AU (1) | AU4541700A (en) |
DE (1) | DE60000871T2 (en) |
ES (1) | ES2186648T3 (en) |
PT (1) | PT1169388E (en) |
WO (1) | WO2000060001A1 (en) |
Families Citing this family (89)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE328958T1 (en) * | 2000-04-13 | 2006-06-15 | Borealis Tech Oy | HDPE POLYMER COMPOSITION |
DE60043574D1 (en) * | 2000-04-13 | 2010-02-04 | Borealis Tech Oy | Polymer composition for pipes |
JP2002012780A (en) * | 2000-05-16 | 2002-01-15 | Johns Manville Internatl Inc | Fire-proof polymer film and heat insulating assembly |
DE20010111U1 (en) * | 2000-06-08 | 2001-10-31 | Wavin B.V., Zwolle | Multi-layer pipe |
DE10047861A1 (en) * | 2000-09-27 | 2002-04-25 | Basell Polyolefine Gmbh | Polyethylene molding compound is suitable as a pipe material with excellent processing properties |
US6986931B2 (en) * | 2000-10-02 | 2006-01-17 | S.C. Johnson & Son, Inc. | Disposable cutting sheet |
EP1201711A1 (en) * | 2000-10-27 | 2002-05-02 | ATOFINA Research | Polyethylene pipe resins and production thereof |
EP1201713A1 (en) * | 2000-10-27 | 2002-05-02 | ATOFINA Research | Polyethylene pipe resins and production thereof |
US6608149B2 (en) | 2000-12-04 | 2003-08-19 | Univation Technologies, Llc | Polymerization process |
MXPA04001496A (en) * | 2001-08-17 | 2004-05-14 | Dow Global Technologies Inc | Bimodal polyethylene composition and articles made therefrom. |
EP1319685A1 (en) * | 2001-12-14 | 2003-06-18 | ATOFINA Research | Physical blends of polyethylenes |
EP1357151A1 (en) * | 2002-04-26 | 2003-10-29 | ATOFINA Research | Improved processing of bimodal polymers |
EP1359192A1 (en) * | 2002-04-30 | 2003-11-05 | Solvay Polyolefins Europe-Belgium (Société Anonyme) | Polyethylene pipe resins |
US6649698B1 (en) * | 2002-05-17 | 2003-11-18 | Equistar Chemicals, Lp | Polyethylene blends |
BR0317320B1 (en) * | 2002-12-24 | 2013-10-15 | Polyethylene composition with multimodal molecular weight distribution, process for its production, and use thereof | |
KR100469470B1 (en) * | 2003-01-30 | 2005-02-02 | 엘지전자 주식회사 | Damper using thermal transformation and washing machine having the same |
US20040157042A1 (en) * | 2003-02-11 | 2004-08-12 | Ackerman Bryan L. | Sheet material manufacturing apparatus and method of producing a sheet material |
TW200504093A (en) | 2003-05-12 | 2005-02-01 | Dow Global Technologies Inc | Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom |
US6878454B1 (en) * | 2003-12-05 | 2005-04-12 | Univation Technologies, Llc | Polyethylene films |
US7288596B2 (en) * | 2003-12-22 | 2007-10-30 | Univation Technologies, Llc | Polyethylene compositions having improved tear properties |
EP1605014A1 (en) | 2004-06-09 | 2005-12-14 | SOLVAY POLYOLEFINS EUROPE - BELGIUM (Société Anonyme) | Polyethylene pipe fitting resins |
US7193017B2 (en) | 2004-08-13 | 2007-03-20 | Univation Technologies, Llc | High strength biomodal polyethylene compositions |
US8202940B2 (en) * | 2004-08-19 | 2012-06-19 | Univation Technologies, Llc | Bimodal polyethylene compositions for blow molding applications |
US7868092B2 (en) * | 2005-06-14 | 2011-01-11 | Univation Technologies, Llc | Bimodal polyethylene compositions for blow molding applications |
US7432328B2 (en) * | 2005-06-14 | 2008-10-07 | Univation Technologies, Llc | Enhanced ESCR bimodal HDPE for blow molding applications |
EP1634913B1 (en) * | 2004-09-10 | 2008-10-29 | Borealis Technology Oy | Semiconductive polymer composition |
EP1655334B1 (en) * | 2004-11-03 | 2006-12-27 | Borealis Technology Oy | Multimodal polyethylene composition with improved homogeneity |
US7275354B2 (en) * | 2005-01-05 | 2007-10-02 | Cmd Corporation | Vertical form, fill and seal packaging system |
US7312279B2 (en) | 2005-02-07 | 2007-12-25 | Univation Technologies, Llc | Polyethylene blend compositions |
US20060275571A1 (en) * | 2005-06-02 | 2006-12-07 | Mure Cliff R | Polyethylene pipes |
US7858702B2 (en) * | 2005-06-14 | 2010-12-28 | Univation Technologies, Llc | Enhanced ESCR bimodal HDPE for blow molding applications |
DE102005030941A1 (en) * | 2005-06-30 | 2007-01-11 | Basell Polyolefine Gmbh | Polyethylene molding compound for the production of injection-molded finished parts |
US20070010626A1 (en) * | 2005-07-11 | 2007-01-11 | Shankernarayanan Manivakkam J | Polyethylene compositions |
DE102005040390A1 (en) * | 2005-08-25 | 2007-03-01 | Basell Polyolefine Gmbh | Multi-modal polyethylene moulding material for production of pipes, e.g. water pipes, comprises low-mol. wt. ethylene homopolymer, high-mol. wt. ethylene copolymer and ultrahigh-mol. wt. ethylene copolymer |
US7786203B2 (en) * | 2005-09-16 | 2010-08-31 | Milliken & Company | Polymer compositions comprising nucleating or clarifying agents and articles made using such compositions |
CN101273445B (en) * | 2005-09-28 | 2012-07-25 | 大见忠弘 | Atmosphere controlled joint device, method and electronic device |
FR2892172B1 (en) | 2005-10-13 | 2007-12-14 | Arkema Sa | MULTILAYER TUBE BASED ON MODIFIED FLUORINATED POLYMER |
CN101305044B (en) * | 2005-10-21 | 2011-12-21 | 保瑞利斯科技公司 | Composition |
US7595364B2 (en) | 2005-12-07 | 2009-09-29 | Univation Technologies, Llc | High density polyethylene |
US8129472B2 (en) | 2006-04-07 | 2012-03-06 | Dow Global Technologies Llc | Polyolefin compositions, articles made therefrom and methods for preparing the same |
DE202006012609U1 (en) * | 2006-08-16 | 2007-12-27 | Rehau Ag + Co. | Multilayer pipe |
PL1909013T3 (en) * | 2006-10-04 | 2010-08-31 | Borealis Tech Oy | Polyethylene composition for pressure pipes with enhanced flexibility |
ATE477284T1 (en) * | 2006-10-24 | 2010-08-15 | Basell Polyolefine Gmbh | MULTIMODAL POLYETHYLENE MOLDING COMPOUND FOR PRODUCING PIPES WITH IMPROVED MECHANICAL PROPERTIES |
DE602006013161D1 (en) * | 2006-12-01 | 2010-05-06 | Borealis Tech Oy | Tube with improved high temperature resistance |
JP2010514596A (en) * | 2006-12-29 | 2010-05-06 | フイナ・テクノロジー・インコーポレーテツド | Crosslinked polyethylene resin for blow molding of large parts |
DE202007004346U1 (en) * | 2007-03-21 | 2007-10-31 | Rehau Ag + Co | pipe arrangement |
US8475898B2 (en) * | 2007-08-29 | 2013-07-02 | Equistar Chemicals, Lp | Polyolefin resin blends for crack-resistant pipe |
EP2130863A1 (en) | 2008-06-02 | 2009-12-09 | Borealis AG | High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom |
EP2130862A1 (en) | 2008-06-02 | 2009-12-09 | Borealis AG | Polymer compositions and pressure-resistant pipes made thereof |
EP2130859A1 (en) | 2008-06-02 | 2009-12-09 | Borealis AG | Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof |
WO2011113685A1 (en) * | 2010-03-17 | 2011-09-22 | Borealis Ag | Polymer composition for w&c application with advantageous electrical properties |
EP2407506A1 (en) * | 2010-07-13 | 2012-01-18 | Borealis AG | Pipes made from a polyethylene copolymer with slow crack growth |
DK2681275T3 (en) | 2011-03-04 | 2017-09-04 | Total Res & Technology Feluy | PROCEDURE FOR CREATING ZIEGLER-NATTA-PRODUCED POLYETHYLEN MIXTURES |
EP2599828A1 (en) * | 2011-12-01 | 2013-06-05 | Borealis AG | Multimodal polyethylene composition for the production of pipes with improved slow crack growth resistance |
GB2498936A (en) * | 2012-01-31 | 2013-08-07 | Norner Innovation As | Polyethylene with multi-modal molecular weight distribution |
CN103965953B (en) | 2013-01-30 | 2015-07-22 | 中国石油天然气股份有限公司 | Distillate oil two-phase hydrogenation reactor and hydrogenation process method |
GB201313937D0 (en) | 2013-08-05 | 2013-09-18 | Ineos Europe Ag | Polymerisation process |
JP6517837B2 (en) * | 2014-04-23 | 2019-05-22 | トタル リサーチ アンド テクノロジー フエリユイ | Pipe made of polyethylene resin using metallocene catalyst |
CA2868640C (en) | 2014-10-21 | 2021-10-26 | Nova Chemicals Corporation | Solution polymerization process |
WO2016063205A2 (en) | 2014-10-21 | 2016-04-28 | Nova Chemicals (International) S.A. | Dilution index |
KR20170049272A (en) * | 2015-10-28 | 2017-05-10 | 대림산업 주식회사 | Multimodal polyolefin resin and article prepared with the same |
HUE047268T2 (en) | 2016-09-12 | 2020-04-28 | Thai Polyethylene Co Ltd | Multimodal polyethylene pipe |
ES2754386T3 (en) | 2016-09-12 | 2020-04-17 | Thai Polyethylene Co Ltd | Multimodal polyethylene thin film |
HUE047431T2 (en) | 2016-09-12 | 2020-04-28 | Thai Polyethylene Co Ltd | Multimodal polyethylene pipe |
PL3293214T3 (en) | 2016-09-12 | 2020-07-27 | Thai Polyethylene Co., Ltd. | High performances multimodal ultra high molecular weight polyethylene |
ES2746570T3 (en) | 2016-09-12 | 2020-03-06 | Thai Polyethylene Co Ltd | Multimodal polyethylene screw cap |
HUE055304T2 (en) | 2016-09-12 | 2021-11-29 | Thai Polyethylene Co Ltd | Multimodal polyethylene composition |
PT3293213T (en) | 2016-09-12 | 2019-10-29 | Scg Chemicals Co Ltd | Multimodal polyethylene container |
EP3293210B1 (en) | 2016-09-12 | 2019-03-06 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene film |
US10865296B2 (en) | 2016-09-12 | 2020-12-15 | Thai Polyethylene Co., Ltd. | Bimodal polyethylene composition and pipe comprising the same |
WO2018081226A1 (en) | 2016-10-28 | 2018-05-03 | Univation Technologies, Llc | Controlling reactor split and a product parameter |
BR112019008131B1 (en) | 2016-11-08 | 2022-12-20 | Univation Technologies, Llc | BIMODAL POLYETHYLENE |
KR102068795B1 (en) * | 2016-11-24 | 2020-01-21 | 주식회사 엘지화학 | Method for predicting property of polymers |
US10329412B2 (en) | 2017-02-16 | 2019-06-25 | Nova Chemicals (International) S.A. | Caps and closures |
PL3385958T3 (en) * | 2017-04-06 | 2023-08-07 | Borealis Ag | Cable jacket composition |
US10442921B2 (en) | 2017-04-19 | 2019-10-15 | Nova Chemicals (International) S.A. | Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulations |
US10442920B2 (en) | 2017-04-19 | 2019-10-15 | Nova Chemicals (International) S.A. | Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations |
US10995166B2 (en) | 2017-11-07 | 2021-05-04 | Nova Chemicals (International) S.A. | Ethylene interpolymer products and films |
US10683376B2 (en) | 2017-11-07 | 2020-06-16 | Nova Chemicals (International) S.A. | Manufacturing ethylene interpolymer products at higher production rate |
CN111479832B (en) | 2017-12-26 | 2024-03-15 | 陶氏环球技术有限责任公司 | Dual reactor solution process for producing multimodal ethylene polymer |
CN111683979B (en) | 2017-12-26 | 2024-08-23 | 陶氏环球技术有限责任公司 | Process for producing multimodal ethylene-based polymers |
SG11202005777XA (en) | 2017-12-26 | 2020-07-29 | Dow Global Technologies Llc | Multimodal ethylene-based polymer processing systems and methods |
BR112020011394A2 (en) | 2017-12-26 | 2020-11-24 | Dow Global Technologies Llc | polymeric composition and article |
ES2908893T3 (en) | 2017-12-26 | 2022-05-04 | Dow Global Technologies Llc | Multimodal ethylene-based polymeric compositions with improved toughness |
EP3626774A1 (en) * | 2018-09-24 | 2020-03-25 | Thai Polyethylene Co., Ltd. | Polyolefin resin blends for high stress cracking resistance and good processability |
US10882987B2 (en) | 2019-01-09 | 2021-01-05 | Nova Chemicals (International) S.A. | Ethylene interpolymer products having intermediate branching |
CN110294885B (en) * | 2019-06-11 | 2022-01-11 | 宁波大学 | Bimodal high-density polyethylene nano-pore foaming material and preparation method thereof |
CN110283372B (en) * | 2019-06-11 | 2022-03-01 | 宁波大学 | Microcellular foam material of bimodal high-density polyethylene and preparation method thereof |
US11046843B2 (en) | 2019-07-29 | 2021-06-29 | Nova Chemicals (International) S.A. | Ethylene copolymers and films with excellent sealing properties |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4547551A (en) * | 1982-06-22 | 1985-10-15 | Phillips Petroleum Company | Ethylene polymer blends and process for forming film |
KR930006090A (en) * | 1991-09-18 | 1993-04-20 | 제이 이이 휘립프스 | Ethylene Polymer Composition |
US5284613A (en) * | 1992-09-04 | 1994-02-08 | Mobil Oil Corporation | Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst |
US5405901A (en) * | 1994-07-06 | 1995-04-11 | Union Carbide Chemicals & Plastics Technology Corporation | Process of producing ethylene polymer blends in gas phase |
WO1997020868A1 (en) * | 1995-12-07 | 1997-06-12 | Japan Polyolefins Co., Ltd. | Polyethylene resin and pipe and pipe joint made by using the same |
-
1999
- 1999-03-30 EP EP99106461A patent/EP1041113A1/en not_active Withdrawn
-
2000
- 2000-03-28 DE DE60000871T patent/DE60000871T2/en not_active Revoked
- 2000-03-28 AU AU45417/00A patent/AU4541700A/en not_active Abandoned
- 2000-03-28 WO PCT/EP2000/002879 patent/WO2000060001A1/en active IP Right Grant
- 2000-03-28 ES ES00926789T patent/ES2186648T3/en not_active Expired - Lifetime
- 2000-03-28 AT AT00926789T patent/ATE228546T1/en not_active IP Right Cessation
- 2000-03-28 EP EP00926789A patent/EP1169388B1/en not_active Revoked
- 2000-03-28 PT PT00926789T patent/PT1169388E/en unknown
- 2000-03-28 JP JP2000609501A patent/JP2002541292A/en active Pending
- 2000-03-30 US US09/538,541 patent/US6433095B1/en not_active Expired - Fee Related
-
2002
- 2002-04-10 US US10/119,968 patent/US6569948B2/en not_active Expired - Fee Related
- 2002-04-10 US US10/119,970 patent/US6579922B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE228546T1 (en) | 2002-12-15 |
AU4541700A (en) | 2000-10-23 |
EP1169388B1 (en) | 2002-11-27 |
EP1041113A1 (en) | 2000-10-04 |
US20020156214A1 (en) | 2002-10-24 |
PT1169388E (en) | 2003-04-30 |
JP2002541292A (en) | 2002-12-03 |
EP1169388A1 (en) | 2002-01-09 |
DE60000871T2 (en) | 2003-08-28 |
US6569948B2 (en) | 2003-05-27 |
US6579922B2 (en) | 2003-06-17 |
DE60000871D1 (en) | 2003-01-09 |
US20020161157A1 (en) | 2002-10-31 |
WO2000060001A1 (en) | 2000-10-12 |
US6433095B1 (en) | 2002-08-13 |
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